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fix(idt): print RIP, err_code, and CR2 to serial before kernel panic

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boreddevnl 2026-04-21 16:41:03 +02:00
parent 67f27a908f
commit 3893276974
1 changed files with 8 additions and 0 deletions
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8
src/sys/idt.c
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@ -79,6 +79,14 @@ uint64_t exception_handler_c(registers_t *regs) {
// Kernel mode exception
const char *name = (vector < 32) ? exception_messages[vector] : "Unknown Kernel Exception";
serial_write("\nRIP: 0x"); k_itoa_hex(regs->rip, buf); serial_write(buf);
serial_write("\nErr: 0x"); k_itoa_hex(regs->err_code, buf); serial_write(buf);
if (vector == 14) {
uint64_t cr2;
asm volatile("mov %%cr2, %0" : "=r"(cr2));
serial_write("\nCR2: 0x"); k_itoa_hex(cr2, buf); serial_write(buf);
}
serial_write("\n");
kernel_panic(regs, name);
return (uint64_t)regs; // Unreachable